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BuildingSMART Data Dictionary (IFD Library, Barbi/Lexicon) By David Watson, CET, FCSC, CSP 2014-06
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CAD-Specs The fundamental Problem
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Understanding the meaning of digital information BEAM
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Understanding the meaning of digital information The DATA DICTIONARY is about the MEANING OF THINGS rather than the naming of things. Earth relocating implement I actually prefer to be called Steve SpadeShovel
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objective General Submit drawings 5 yr warranty Products Porcelain Floor mounted, tank type Execution Install after flooring Water Closets, wall hung, tankless Specification View BIM View
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bSDD – How does it work? CAD (BIM) Model –bSDD GUID = xyz –Name = “ceiling panel” –Length = –Width = –Thickness = –Geometric position (x, y, z) –Quantity Data Source (eg. master specification) –bSDD GUID = xyz –Name = “acoustic panel” –STC Rating = –Flame spread resistance = –Install into suspended t-bar –Submit shop drawing
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In a briefing document Properties In product catalogues Properties In classification systems Properties In building specifications Properties In a calculation system Properties In a Facility management system Properties In IFC Properties In a CAD system Properties buildingSMART Data Dictionary Properties bSDD / IFD mapping mechanism
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Fire resistance integrityFire rating?? = ?? How it Works
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How it works
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DATA DICTIONARY 3F2504E0-4F89.... How it works
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BSDD – What else does it do? Accessible via software/internet (cloud) Manages synonyms, multiple languages Classifies –Any classification, as long as it resides in bSDD Gets specialization hierarchy –Super-types, sub-types Get lists of components Get lists of properties Get lists of relevant standards Select from many ‘contexts’ –(a context is a set of relations)
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BSDD - Applications No. 1:Access BIM Data Stores –Spec database –Product information –Costing –… Translate Classify
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The Buildingsmart model
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The BuildingSMART Model IFC: –The ‘transport’ medium through which data is transmitted IFD: –The ‘meaning’ of the data being transmitted IDM: –The ‘process’ (which part is being sent, what is it, who sent it to whom, and when)
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bSDD - Status API operational Pilot Projects: –Approximately 15 participants (at least 10 countries) –N.A./Europe: Weekly –N.A./Australasia: Weekly –Subjects: Ceiling tile, VAV Terminal box –Developing content management guidelines
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BSDD Status Customers: –CB/NL: Dutch, available to all Dutch users –Cobuilder: NO company, storing product data –IFD Sign-on (NOBB, ???) Serious Interest –Saint Gobain –NBS/RIBA and bsUK (UK) –AIMCC (France) –University of Austria
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Check it out! http://bsdd.buildingsmart.org
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